/**
 * Copyright 2010 Tristan Slominski
 *
 * Licensed under the MIT License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.opensource.org/licenses/mit-license.php
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mindash.handlebars.client.presenters;

import java.util.Map;

import com.google.inject.Provider;

/**
 * @author Tristan Slominski
 * 
 */
public interface ParentPresenter extends Presenter {

  /**
   * Creates a child presenter from the provider and assigns it a name (used
   * when retrieving later), then returns the created presenter. If the
   * presenter already exists, then the existing presenter is returned.
   * 
   * @param <T>
   * @param presenterName the name of the presenter
   * @param presenterProvider the presenter provider
   * @return the created child presenter
   */
  public <T extends Presenter> T getChildPresenter(String presenterName,
      Provider<T> presenterProvider);

  /**
   * @param <T>
   * @return the map of all existing child presenters
   */
  public Map<String, Presenter> getChildPresenters();

}
